Base 6 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 553: | \[{6^{553}-1\over5}\] | 2213 × 55987 × 251063 × 1147240288157<13> × 10402200870461<14> × 26283825237209622143<20> × 153376240859830595408151169<27> × 197531251446059329471533015409<30> × [14059116566612340009660933161830403101692132277271767071620141579718404350620334118672379510845765669805534329081210764226942094525280285447651960614852970592067865367140087345137814737710414078587636392935278748255019498624795870756537300258627059311546693218361518691731794344788651709023945117368815209409319274701<317>] |